Malicious PDF — malware analysis report

Static analysis result for SHA-256 95a5fb3230150566…

MALICIOUS

PDF

2.7 KB Created: 847 Authoring application: 4076
MD5: c09ff279a76563a852b11f03345b5c4a SHA-1: 08b04720a7d5494d1f3b8ef9d022d98e26d9b173 SHA-256: 95a5fb3230150566fbb60aaef503635609f601fc16a61845cc8b6ed518c692ea
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic flags suspicious indicators such as hex escape obfuscation within the extracted JavaScript file 'javascript_obj0013_001.js'. ClamAV detection as 'Pdf.Exploit.Agent-36014' further confirms its malicious nature. The embedded JavaScript is likely responsible for executing the exploit, leading to the malicious verdict.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0013_001.js
00dd31348e3f2c3755414ef03f1d43708ad89b6438707b2f07a7186299decede
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4804 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).